Associate Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost Components of Postretirement Benefits

The following are disclosures of the net periodic benefit cost components of postretirement benefits measured at January 1, 2016 and 2015.

	Three months ended June 30,						Six months ended June 30,
(In Thousands)	2016			2015			2016			2015
Service cost	$	14		$	14		$	29		$	29
Interest cost		19			22			38			44
Prior service cost amortization		(19	)		(19	)		(26	)		(38	)
Net gain recognition		(16	)		(5	)		(31	)		(10	)
Net periodic benefit cost	$	(2	)	$	12		$	10		$	25